81661056

素因数分解:

$2^7\times 3^1\times {\mathrm{109}}^1\times {\mathrm{1951}}^1$

素因数の和:2077

約数の個数: 64

約数和(自身を含む): 219014400

約数和(自身を除く): 137353344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 109, 128, 192, 218, 327, 384, 436, 654, 872, 1308, 1744, 1951, 2616, 3488, 3902, 5232, 5853, 6976, 7804, 10464, 11706, 13952, 15608, 20928, 23412, 31216, 41856, 46824, 62432, 93648, 124864, 187296, 212659, 249728, 374592, 425318, 637977, 749184, 850636, 1275954, 1701272, 2551908, 3402544, 5103816, 6805088, 10207632, 13610176, 20415264, 27220352, 40830528, 81661056]

約数ペア:

[(1, 81661056), (2, 40830528), (3, 27220352), (4, 20415264), (6, 13610176), (8, 10207632), (12, 6805088), (16, 5103816), (24, 3402544), (32, 2551908), (48, 1701272), (64, 1275954), (96, 850636), (109, 749184), (128, 637977), (192, 425318), (218, 374592), (327, 249728), (384, 212659), (436, 187296), (654, 124864), (872, 93648), (1308, 62432), (1744, 46824), (1951, 41856), (2616, 31216), (3488, 23412), (3902, 20928), (5232, 15608), (5853, 13952), (6976, 11706), (7804, 10464)]